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Old 12-28-2011, 07:45 AM   #1
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MAF

K guys somebody tell me how big a difference is between a 80mm MAF and a 76mm MAF. In performance
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Old 12-28-2011, 09:06 AM   #2
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When I swapped mine on a n/a motor I couldnt tell a difference, with a lot of boost that maybe different though
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Old 12-28-2011, 09:54 AM   #3
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Re: MAF

I had a performance shop, Inform me that Just switching around Throttle Bodies, did not really do anything to your car, just waisting money, for things like that, you really have to be doing a whole lot, and really knoe what you are doing. I hear alot of people talk about changing to super large TB, but unless you are doing SC or Turbo, it's not necessary. MAF's fall into that group also.
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Old 12-28-2011, 10:08 AM   #4
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The air fuel mixture if off. Allowing for more fuel in is great, but if there isn't a balance with air intake. U are just wasting gas and HP. need a ram air intake, turbo, or S.C.. more air than stock. And you'll feel the difference. Use K&N filter too!
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Old 12-28-2011, 10:31 AM   #5
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Well let mr tell y'all what imma be running. Holly systemax 2 upper and lower. 70mm TB. CAI. Afr heads. Either E,B, or F303 cam. I was told to go with 80mm MAF with 30lb injectors and a 190 lph fuel pump. See I found a 76mm MAF with 30lbs injectors. And was wondering how big a difference it would make between the 76 to the 80. I don't have it yet but have been toying with idea of 150 shot nitrous as well.
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Old 12-28-2011, 11:28 AM   #6
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Quote:
Originally Posted by captain78
K guys somebody tell me how big a difference is between a 80mm MAF and a 76mm MAF. In performance
Honestly you might not even tell the difference or have any horsepower gain between the 76 and 80mm, only a 4mm difference.
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Old 12-28-2011, 11:44 AM   #7
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Re: MAF

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Originally Posted by captain78 View Post
Well let mr tell y'all what imma be running. Holly systemax 2 upper and lower. 70mm TB. CAI. Afr heads. Either E,B, or F303 cam. I was told to go with 80mm MAF with 30lb injectors and a 190 lph fuel pump. See I found a 76mm MAF with 30lbs injectors. And was wondering how big a difference it would make between the 76 to the 80. I don't have it yet but have been toying with idea of 150 shot nitrous as well.
I don't think you will see much difference between the two as the difference is only 4MM.
The trick is to supply your engine with enough air and to keep the velocity up while doing it. I believe the 76MM would supply your needs, but if you plan more mods or forced induction in the future the 80MM or larger may be a better choice. Since the MAF is located at the beginning of your intake tract they will have less adverse effects if they are oversized a bit than other intake components.

Before you buy a MAF, take a look at the ABACO MAFs. I really like the fact that you can reprogram them from your PC for about any injector size you may wish to use. Note that they start at 85MM.

Who told you to go with the 80MM MAF/30lb injectors?
If it was an expert, then by all means you should heed their advice.
If it was a fellow enthusiast, just remember what works well for one combo may not perform as well for another.
I had a SN95 with similar mods and it came with a 75MM MAF, TB and 30lb injectors. I ended up switching it over to 24lb injectors and a 75MM MAF calibrated for the 24lb injectors and it ran much better.
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Old 12-28-2011, 11:49 AM   #8
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FRPP is who said go with the 80 mm. With my set up
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Old 12-28-2011, 12:33 PM   #9
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Re: MAF

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FRPP is who said go with the 80 mm. With my set up

They should know.
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